EP4228034A4 - Matériau composite en graphite et son procédé de préparation, plaque d'électrode négative, batterie secondaire, module de batterie, bloc-batterie et dispositif alimenté - Google Patents

Matériau composite en graphite et son procédé de préparation, plaque d'électrode négative, batterie secondaire, module de batterie, bloc-batterie et dispositif alimenté Download PDF

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Publication number
EP4228034A4
EP4228034A4 EP22868696.0A EP22868696A EP4228034A4 EP 4228034 A4 EP4228034 A4 EP 4228034A4 EP 22868696 A EP22868696 A EP 22868696A EP 4228034 A4 EP4228034 A4 EP 4228034A4
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EP
European Patent Office
Prior art keywords
battery
preparation
negative electrode
electrode plate
method therefor
Prior art date
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Granted
Application number
EP22868696.0A
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German (de)
English (en)
Other versions
EP4228034B1 (fr
EP4228034A1 (fr
Inventor
Meng KANG
Libing He
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Hong Kong Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
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Publication of EP4228034A4 publication Critical patent/EP4228034A4/fr
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/205—Preparation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/21—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/21—After-treatment
    • C01B32/22—Intercalation
    • C01B32/225—Expansion; Exfoliation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/21—After-treatment
    • C01B32/23—Oxidation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Carbon And Carbon Compounds (AREA)
EP22868696.0A 2021-09-15 2022-05-18 Matériau composite en graphite et son procédé de préparation, plaque d'électrode négative, batterie secondaire, module de batterie, bloc-batterie et dispositif alimenté Active EP4228034B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111079771.0A CN115810724B (zh) 2021-09-15 2021-09-15 复合石墨材料及其制备方法、负极极片、二次电池
PCT/CN2022/093671 WO2023040319A1 (fr) 2021-09-15 2022-05-18 Matériau composite en graphite et son procédé de préparation, plaque d'électrode négative, batterie secondaire, module de batterie, bloc-batterie et dispositif alimenté

Publications (3)

Publication Number Publication Date
EP4228034A1 EP4228034A1 (fr) 2023-08-16
EP4228034A4 true EP4228034A4 (fr) 2024-06-26
EP4228034B1 EP4228034B1 (fr) 2024-12-18

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EP22868696.0A Active EP4228034B1 (fr) 2021-09-15 2022-05-18 Matériau composite en graphite et son procédé de préparation, plaque d'électrode négative, batterie secondaire, module de batterie, bloc-batterie et dispositif alimenté

Country Status (6)

Country Link
US (1) US20230416097A1 (fr)
EP (1) EP4228034B1 (fr)
JP (1) JP7626571B6 (fr)
KR (1) KR102855129B1 (fr)
CN (3) CN118983414B (fr)
WO (1) WO2023040319A1 (fr)

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KR102835795B1 (ko) * 2022-11-25 2025-07-22 컨템포러리 엠퍼렉스 테크놀로지 (홍콩) 리미티드 탄소 재료 및 그 제조 방법, 및 이를 함유하는 이차 전지와 전기 장치
EP4525078A4 (fr) * 2022-11-25 2026-03-04 Contemporary Amperex Technology Hong Kong Ltd Matériau carboné et procédé de préparation associé, batterie secondaire le comprenant, et dispositif électrique
WO2024108579A1 (fr) * 2022-11-25 2024-05-30 宁德时代新能源科技股份有限公司 Matériau carboné, son procédé de préparation, batterie secondaire le comprenant, et dispositif électrique
WO2025000481A1 (fr) * 2023-06-30 2025-01-02 宁德新能源科技有限公司 Matériau d'électrode négative et électrode négative l'utilisant, dispositif électrochimique et dispositif électronique
CN117133901A (zh) * 2023-09-15 2023-11-28 珠海冠宇电池股份有限公司 一种负极片及包括该负极片的锂离子电池
CN119833580B (zh) * 2023-11-30 2025-09-02 宁德时代新能源科技股份有限公司 负极活性材料、负极极片、电池和用电装置
CN120127116A (zh) * 2023-12-07 2025-06-10 宁德时代新能源科技股份有限公司 石墨负极活性材料及其制备方法、负极极片、二次电池和用电装置
CN119852340B (zh) * 2023-12-07 2026-04-03 宁德时代新能源科技股份有限公司 石墨负极活性材料及其制备方法、负极极片、二次电池和用电装置
CN117691091A (zh) * 2023-12-29 2024-03-12 湖南中科星城石墨有限公司 一种石墨负极材料及其制备方法、负极极片和锂离子电池
CN119833584A (zh) * 2024-01-30 2025-04-15 宁德时代新能源科技股份有限公司 负极活性材料及其制备方法、以及包含其的负极极片、电池及用电装置
CN121202122A (zh) * 2024-07-31 2025-12-26 比亚迪股份有限公司 石墨材料、石墨材料的制备方法、负极、二次电池和用电设备
CN118993055A (zh) * 2024-08-08 2024-11-22 福建龙净储能电池有限公司 一种人造石墨材料及其制备方法与应用
CN119124773B (zh) * 2024-08-20 2025-12-05 北京航空航天大学 一种多维度定量表征相变储能复合材料响应速度的方法
CN119133577A (zh) * 2024-11-12 2024-12-13 宁德时代新能源科技股份有限公司 电池单体、电池装置以及用电装置
CN119153758A (zh) * 2024-11-12 2024-12-17 宁德时代新能源科技股份有限公司 电池单体、电池装置以及用电装置
CN119447177A (zh) * 2024-11-13 2025-02-14 浙江极氪智能科技有限公司 一种石墨负极及其制备方法与应用
CN119438306B (zh) * 2024-11-20 2025-10-21 阳江核电有限公司 基于能量分析的不锈钢加速热老化实验方法
CN119911900B (zh) * 2025-01-14 2025-12-02 南宁宸宇新能源科技有限公司 改性人造石墨负极活性材料及其制备和应用
CN121553925B (zh) * 2026-01-21 2026-04-17 郴州新能源电池材料研究中心 一种固态电池负极材料及其制备方法

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WO2021108982A1 (fr) * 2019-12-03 2021-06-10 宁德时代新能源科技股份有限公司 Graphite artificiel, batterie secondaire, procédé de préparation et dispositif
CN111620332A (zh) * 2020-06-08 2020-09-04 湖北亿纬动力有限公司 一种负极材料及其制备方法、负极片和锂离子电池

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Also Published As

Publication number Publication date
CN118983414A (zh) 2024-11-19
CN115810724A (zh) 2023-03-17
CN118983414B (zh) 2026-01-30
US20230416097A1 (en) 2023-12-28
EP4228034B1 (fr) 2024-12-18
WO2023040319A1 (fr) 2023-03-23
KR102855129B1 (ko) 2025-09-05
CN118983413A (zh) 2024-11-19
JP2023550137A (ja) 2023-11-30
JP7626571B6 (ja) 2025-03-14
CN115810724B (zh) 2024-08-23
CN118983413B (zh) 2026-01-30
JP7626571B2 (ja) 2025-02-04
KR20230088766A (ko) 2023-06-20
EP4228034A1 (fr) 2023-08-16

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